The result is luminescent. A chemiluminescent microparticle immunoassay uses magnetic, protein-coated microparticles. ... A plate is coated with a viral protein, such as a SARS-CoV-2 spike protein. Samples are incubated with the protein, allowing ... Antigen tests look for antigen proteins from the viral surface. In the case of a coronavirus, these are usually proteins from ... "A SARS-CoV-2 surrogate virus neutralization test based on antibody-mediated blockage of ACE2-spike protein-protein interaction ...

"Luminescent Eel Muscles Fluorescent Protein Revolution into Clinic." Huffington Post, June 18, 2013. "Mending Broken Hearts: ... "From CRISPR to glowing proteins to optogenetics - scientists' most powerful technologies have been borrowed from nature." The ... "AI makes huge progress predicting how proteins fold - one of biology's greatest challenges - promising rapid drug development ...

A way around this problem is with luminescent tags. These tags are quantum dots attached to proteins that penetrate cell ... These devices are built with nanowires to detect cancer proteins; each nanowire detector is primed to be sensitive to a ... Binding agents such as proteins, antibiotics, or synthetic ligands are covalently linked to the particle surface. These binding ... able to detect proteins and other biomarkers left behind by cancer cells, could enable the detection and diagnosis of cancer in ...

Turro, C; Fu, PK; Bradley, PM (2003). "Lanthanide ions as luminescent probes of proteins and nucleic acids". Metal Ions in ... polyaminocarboxylates as luminescent sensors in time-resolved luminescent (TRL) immunoassays. Optimization of analytical ... The luminescent probe may for instance serve to localize the MRI contrast agent. This has helped to visualize the delivery of ... LRET was also used to study the interaction of the proteins dystrophin and actin in muscle cells. Dystrophin is present in the ...

"CRISPR-Mediated Tagging of Endogenous Proteins with a Luminescent Peptide". ACS Chemical Biology. 13 (2): 467-474. doi:10.1021/ ... Protein tags are peptide sequences genetically grafted onto a recombinant protein. Tags are attached to proteins for various ... a protein which binds to immobilized glutathione Green fluorescent protein-tag, a protein which is spontaneously fluorescent ... This tag is used for protein purification of recombinant proteins and its fragments. It can be used in research labs and it is ...

Permyakov, Eugene A. [Luminescent Spectroscopy of Proteins], CRC Press, 1993. Fluorescence lifetimes and dynamic quenching ( ...

"Cloning and sequence analysis of cDNA for the luminescent protein aequorin". Proc. Natl. Acad. Sci. U.S.A. 82 (10): 3154-58. ... "Prediction of EF-hand calcium-binding proteins and analysis of bacterial EF-hand proteins". Proteins. 65 (3): 643-655. doi: ... Notably, the protein contains three EF hand motifs that function as binding sites for Ca2+ ions. The protein is a member of the ... In the animal, the protein occurs together with the green fluorescent protein to produce green light by resonant energy ...

Bioluminescence imaging - a technique for studying laboratory animals using luminescent protein. Calcium imaging - determining ...

A number of atomically precise luminescent clusters have been made in proteins and their growth involves inter-protein metal ... "Understanding the Evolution of Luminescent Gold Quantum Clusters in Protein Templates". ACS Nano. 5 (11): 8816-8827. doi: ... Combining luminescent atomically precise clusters with mesoflowers and nanofibres, he developed sensors at sub-zeptomole levels ... 4. Noble metal clusters in protein templates, T. Pradeep, A. Baksi and P. L. Xavier in Functional nanometer-sized clusters of ...

Recently, chimeras of RLuc have been developed and demonstrated to be the brightest luminescent proteins to date, and have ... "Luminescent proteins for high-speed single-cell and whole-body imaging". Nature Communications. 3: 1262. Bibcode:2012NatCo... ... Protein Engineering. 5 (3): 197-211. doi:10.1093/protein/5.3.197. hdl:11370/2d4c057d-1a67-437d-ad10-701f7a60f1e6. PMID 1409539 ... Protein Engineering, Design & Selection. 19 (9): 391-400. doi:10.1093/protein/gzl023. PMID 16857694. Anderson JM, Charbonneau H ...

"A Luminescent Ruthenium Complex for Ultrasensitive Detection of Proteins Immobilized on Membrane Supports". Analytical ... "A Luminescent Europium Complex for the Sensitive Detection of Proteins and Nucleic Acids Immobilized on Membrane Supports". ... is used as a protein dye in biochemistry for differentiating and detecting different proteins in laboratory settings. In recent ... "Metal Chelates as Reversible Stains for Detection of Electroblotted Proteins: Application to Protein Microsequencing and ...

"Luminescent quantum clusters of gold in transferrin family protein, lactoferrin exhibiting FRET" (PDF). Nanoscale. 2 (12): 2769 ... The fraction of protein extracted from milk, contains 3.3% RNA, but, the protein preferably binds to double-stranded DNA rather ... Occurrence of iron-containing red protein in bovine milk was reported as early as in 1939; however, the protein could not be ... optical absorption spectra and presence of two iron atoms per protein molecule. The protein was extracted from milk, contained ...

Lamture, JB; Wensel, TG (1995). "Intensely luminescent immunoreactive conjugates of proteins and dipicolinate-based polymeric ... phycoerythrin or green fluorescent protein). Alternatively, specific or general proteins, nucleic acids, lipids or small ... Other proteins are fluorescent but require a fluorophore cofactor, and hence can only be used in vitro; these are often found ... Several fluorescent protein exist in nature[citation needed], but the most important one as a research tool is Green ...

... used reporter genes that induce visually identifiable characteristics usually involve fluorescent and luminescent proteins. ... The mRNA is then translated into protein. It is important that both proteins be able to properly fold into their active ... Nordgren, I. K.; Tavassoli, A (2014). "A bidirectional fluorescent two-hybrid system for monitoring protein-protein ... A more complex use of reporter genes on a large scale is in two-hybrid screening, which aims to identify proteins that natively ...

In the 1960s and 1970s, GFP, along with the separate luminescent protein aequorin (an enzyme that catalyzes the breakdown of ... Protein methods, Recombinant proteins, Cell imaging, Protein imaging, Fluorescent proteins, Bioluminescence, Cnidarian proteins ... The natural protein has 238 amino acids. Its molecular mass is 27 kD. Therefore, fusing the GFP gene to the gene of a protein ... The green fluorescent protein (GFP) is a protein that exhibits bright green fluorescence when exposed to light in the blue to ...

Martin Chalfie (professor, United States): for developing new methods for bioluminescent analysis using GFP luminescent protein ...

Amyloid beta (Aβ) is a small protein, most often 40 or 42 amino acids in length, that is released from a longer parent protein ... Klingstedt T; Nilsson KPR (2012). "Luminescent conjugated poly- and oligo-thiophenes: optical ligands for spectral assignment ... The misfolded proteins stick to one another, eventually stacking together to form oligomers that merge to make the amyloid ... The normal function of Aβ is not certain, but plaques arise when the protein misfolds and begins to accumulate in the brain by ...

... allows one to control the expression of envelope proteins. A frequently used protein is the glycoprotein G (VSV-G ... In cell culture, neutralized pseudoviruses will be prevented from infecting cells and producing the luminescent reporter gene ... Envelope proteins incorporated into the pseudovirus allow the virus to readily enter different cell types with the ... With this method, the foreign viral envelope proteins can be used to alter host tropism or increase or decrease the stability ...

The AtBAG6 protein is a CaM-binding protein that binds to CaM only in the absence of Ca2+ and not in the presence of it. AtBAG6 ... Kilhoffer MC, Demaille JG, Gerard D (July 1980). "Terbium as luminescent probe of calmodulin calcium-binding sites; domains I ... "Protein-peptide interaction studies demonstrate the versatility of calmodulin target protein binding". Protein and Peptide ... CaM binding proteins are also known to regulate reproductive development in plants. For instance, the CaM-binding protein ...

... s are a type of enzyme, made of protein, from bioluminescent organisms. They add to the function of the luciferins ... The term photoprotein was first used to describe the unusual chemistry of the luminescent system of Chaetopterus (a marine ... Polychaete worm). This was meant to distinguish them from other light-producing proteins because these do not exhibit the usual ...

These involve labelled proteins targeted at biomarkers, nucleic acid sequences present within cells that are found when the ... The isolate is then exposed to fluorescent dye, which will be luminescent when viewed. Improvements to existing platforms are ...

Extraction, partial purification and properties of obelin, the calcium- activated luminescent protein from the hydroid Obelia ... He is an expert on bioluminescence, having developed the use of genetically engineered bioluminescent proteins to measure ... pioneering the application of Ca2+-activated bioluminescent proteins to measure free Ca2+ in live animal, plant, bacterial, and ...

All these proteins catalyze the oxidation of this substance, a reaction catalogued EC 1.13.12.5. Coelenterazine was ... Both groups independently discovered that the same compound was used in both luminescent systems. The molecule was named after ... Myctophidae echinoderms such as Amphiura filiformis The compound has also been isolated from organisms that are not luminescent ... simultaneously isolated and characterized by two groups studying the luminescent organisms sea pansy (Renilla reniformis) and ...

There, he continued his research on heme proteins, studying ligand migration within these proteins and its effects on the ... He has also been engaged in the development and characterization of nanoscale luminescent markers for bioimaging (fluorescent ... his laboratory carried on with studies of ligand binding and protein dynamics, mainly on heme proteins. Since 1997, he has been ... "Structural basis for photo-induced protein cleavage and green-to-red conversion of fluorescent protein EosFP". Proceedings of ...

The DNA encoding the luminescent protein is incorporated into the laboratory animal either via a viral vector or by creating a ... and green fluorescent protein for continuous imaging of cell culture and animal models". Journal of Biomedical Optics. 16 (4): ...

Furthermore, the chromatophores contain luminescent protein nanostructures in which tethered pigment granules modify light ... The blood of a cuttlefish is an unusual shade of green-blue, because it uses the copper-containing protein haemocyanin to carry ... "How Egg Case Proteins Can Protect Cuttlefish Offspring?". PLOS ONE. 10 (7): e0132836. Bibcode:2015PLoSO..1032836C. doi:10.1371/ ... oxygen instead of the red, iron-containing protein haemoglobin found in vertebrates' blood. The blood is pumped by three ...

Protein tag Green NM (1975). "Avidin". Advances in Protein Chemistry. 29: 85-133. doi:10.1016/s0065-3233(08)60411-8. ISBN ... Ostojic GN, Hersam MC (June 2012). "Biomolecule-directed assembly of self-supported, nanoporous, conductive, and luminescent ... Sinclair JC, Davies KM, Vénien-Bryan C, Noble ME (July 2011). "Generation of protein lattices by fusing proteins with matching ... Protein articles without symbol, CS1: long volume value, Bacterial proteins). ...

The adenovirus E1B-55K protein and the hepatitis B virus HBx protein are examples of viral proteins that can perform such a ... Luminescent iridium complex-peptide hybrids (IPHs) have recently been designed, which mimic TRAIL and bind to death receptors ... Examples of viral Bcl-2 proteins include the Epstein-Barr virus BHRF1 protein and the adenovirus E1B 19K protein. Some viruses ... these inhibitory proteins target retinoblastoma tumor-suppressing proteins. These tumor-suppressing proteins regulate the cell ...

Unlike GFPs, which are derived from the luminescent jellyfish Aequorea victoria, fluorescent proteins derived from anthozoa, ... of proteins within living cells while retaining complex biological functions like protein-protein interactions and protein-DNA ... Many different fusion proteins have been created using EosFP and its engineered variants. These fusion proteins allow for the ... Like other fluorescent proteins, Eos allows for applications such as the tracking of fusion proteins, multicolour labelling and ...

Branda SS, Chu F, Kearns DB, Losick R, Kolter R (February 2006). "A major protein component of the Bacillus subtilis biofilm ... 23 November 2016). "Salmonella biofilms using luminescent oligothiophenes". npj Biofilms and Microbiomes. 2: 16024. doi:10.1038 ... The EPS matrix consists of exopolysaccharides, proteins and nucleic acids. A large proportion of the EPS is more or less ... This means that the genes necessary for the production of proteins that work towards defending the plant against pathogens have ...